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Finding the Fourth Proportional to 461,707.35, 636,975.16 and 268,082.01

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Solution

The fourth proportional to 461,707.35, 636,975.16 and 268,082.01 is: 369,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,707.35 : 636,975.16 = 268,082.01 : x
  2. Step 2: Convert to fraction form
    461,707.35/636,975.16 = 268,082.01/x
  3. Step 3: Cross multiply
    461,707.35x = 636,975.16 × 268,082.01
  4. Step 4: Simplify right side
    461,707.35x = 170,761,580,542.67
  5. Step 5: Solve for x
    x = 170,761,580,542.67/461,707.35
  6. Step 6: Final answer
    x = 369,848.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.